Question

Correct the number of significant figures in calculations which are performed incorrectly.

Exercise 2.58: Problems - Significant Figures in Calculations 45.3254 x 89.00205 4034.05 0.00740 x 45.0901 = 0.334 49335 + 9061275.445 x 10-2 0.009010 x 6006.4 54.118 Check all that apply. The first calculation is performed correctly. The second calculation is performed correctly. The third calculation is performed correctly. The fourth calculation is performed correctly. Submit Previous Answers Correct Part B Correct the number of significant figures in calculations which are performed incorrectly Express your answers numerically. If there is more than one answer, separate them by commas. Enter your answers in order given in the introduction Ο ΑΣφ Submit Request Answer acBook

Answer 1

Thumb Rule for Assigning significant figures multiplication I division : in >9 of Number "Significant number/ digits The to the least Equas Number of ane in the significant digits given Multiplication (or) division © 15. 3254 x 89.00 205 = 40 34.05 (correct) S.F = 6 ។ 6 Least =6 hence Number of significant figures in Answer hence Answer Correct Must be "6" (2) 0.00740 X 45.0901 0.334 (correct) significant Figures: 3 3 6 49335 906127 = 5-445 x 10? (wrong) significant figures : 4 5 6 hence Answer alo Should Least significant figure significant figure. 5 Contain After Correct Answer: 5.4.4 4.6 x 152 (got answer division) significant figure = 5